Migrate from Docker on Debian to Podman on Rocky

- Upgrade base OS from Debian 11 to Rocky Linux 9
- Configure 100GB XFS filesystem with auto-expansion
- Replace Docker with rootless Podman for improved security
- Add nginx reverse proxy for non-privileged port handling
- Move the Traefik dashboard from port 8443 to 9443
- Configure SELinux contexts for container operations

Makefile

@@ -1,7 +1,9 @@
+SHELL := /bin/bash
+
 all: vagrant
 
 vagrant:
-	vagrant up --no-destroy-on-error --no-color | tee ./vagrantup.log
+	set -o pipefail; vagrant up --no-destroy-on-error --no-color | tee ./vagrantup.log
 	./scripts/forward-ssh.sh
 
 clean: